[  691.474289][T13051] netdevsim netdevsim353 eni353np1: renamed from eth0
[  691.509965][T13054] netdevsim netdevsim728 eni728np1: renamed from eth1
[  692.297214][T13039] Could not find device with ifindex 2000 in netnsfd 11
[  692.298080][T13039] Could not find netns with fd: 2000
[  692.298479][T13039] Cannot link a netdevsim to itself
[  692.298983][T13039] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).